Merge git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next

drivers/net/ethernet/intel/igb/igb.h

@@ -72,6 +72,8 @@ struct igb_adapter;
 #define IGB_MAX_VF_MC_ENTRIES              30
 #define IGB_MAX_VF_FUNCTIONS               8
 #define IGB_MAX_VFTA_ENTRIES               128
+#define IGB_82576_VF_DEV_ID                0x10CA
+#define IGB_I350_VF_DEV_ID                 0x1520
 
 struct vf_data_storage {
 	unsigned char vf_mac_addresses[ETH_ALEN];
@@ -83,6 +85,7 @@ struct vf_data_storage {
 	u16 pf_vlan; /* When set, guest VLAN config not allowed. */
 	u16 pf_qos;
 	u16 tx_rate;
+	struct pci_dev *vfdev;
 };
 
 #define IGB_VF_FLAG_CTS            0x00000001 /* VF is clear to send data */

drivers/net/ethernet/intel/igb/igb_main.c

@@ -162,6 +162,9 @@ static int igb_ndo_set_vf_bw(struct net_device *netdev, int vf, int tx_rate);
 static int igb_ndo_get_vf_config(struct net_device *netdev, int vf,
 				 struct ifla_vf_info *ivi);
 static void igb_check_vf_rate_limit(struct igb_adapter *);
+static int igb_vf_configure(struct igb_adapter *adapter, int vf);
+static int igb_find_enabled_vfs(struct igb_adapter *adapter);
+static int igb_check_vf_assignment(struct igb_adapter *adapter);
 
 #ifdef CONFIG_PM
 static int igb_suspend(struct pci_dev *, pm_message_t);
@@ -2232,8 +2235,12 @@ static void __devexit igb_remove(struct pci_dev *pdev)
 	/* reclaim resources allocated to VFs */
 	if (adapter->vf_data) {
 		/* disable iov and allow time for transactions to clear */
-		pci_disable_sriov(pdev);
-		msleep(500);
+		if (!igb_check_vf_assignment(adapter)) {
+			pci_disable_sriov(pdev);
+			msleep(500);
+		} else {
+			dev_info(&pdev->dev, "VF(s) assigned to guests!\n");
+		}
 
 		kfree(adapter->vf_data);
 		adapter->vf_data = NULL;
@@ -2270,42 +2277,49 @@ static void __devinit igb_probe_vfs(struct igb_adapter * adapter)
 {
 #ifdef CONFIG_PCI_IOV
 	struct pci_dev *pdev = adapter->pdev;
+	int old_vfs = igb_find_enabled_vfs(adapter);
+	int i;
 
-	if (adapter->vfs_allocated_count) {
-		adapter->vf_data = kcalloc(adapter->vfs_allocated_count,
-		                           sizeof(struct vf_data_storage),
-		                           GFP_KERNEL);
-		/* if allocation failed then we do not support SR-IOV */
-		if (!adapter->vf_data) {
-			adapter->vfs_allocated_count = 0;
-			dev_err(&pdev->dev, "Unable to allocate memory for VF "
-			        "Data Storage\n");
-		}
+	if (old_vfs) {
+		dev_info(&pdev->dev, "%d pre-allocated VFs found - override "
+			 "max_vfs setting of %d\n", old_vfs, max_vfs);
+		adapter->vfs_allocated_count = old_vfs;
 	}
 
-	if (pci_enable_sriov(pdev, adapter->vfs_allocated_count)) {
-		kfree(adapter->vf_data);
-		adapter->vf_data = NULL;
-#endif /* CONFIG_PCI_IOV */
+	if (!adapter->vfs_allocated_count)
+		return;
+
+	adapter->vf_data = kcalloc(adapter->vfs_allocated_count,
+				sizeof(struct vf_data_storage), GFP_KERNEL);
+	/* if allocation failed then we do not support SR-IOV */
+	if (!adapter->vf_data) {
 		adapter->vfs_allocated_count = 0;
-#ifdef CONFIG_PCI_IOV
-	} else {
-		unsigned char mac_addr[ETH_ALEN];
-		int i;
-		dev_info(&pdev->dev, "%d vfs allocated\n",
-		         adapter->vfs_allocated_count);
-		for (i = 0; i < adapter->vfs_allocated_count; i++) {
-			random_ether_addr(mac_addr);
-			igb_set_vf_mac(adapter, i, mac_addr);
-		}
-		/* DMA Coalescing is not supported in IOV mode. */
-		if (adapter->flags & IGB_FLAG_DMAC)
-			adapter->flags &= ~IGB_FLAG_DMAC;
+		dev_err(&pdev->dev, "Unable to allocate memory for VF "
+			"Data Storage\n");
+		goto out;
 	}
+
+	if (!old_vfs) {
+		if (pci_enable_sriov(pdev, adapter->vfs_allocated_count))
+			goto err_out;
+	}
+	dev_info(&pdev->dev, "%d VFs allocated\n",
+		 adapter->vfs_allocated_count);
+	for (i = 0; i < adapter->vfs_allocated_count; i++)
+		igb_vf_configure(adapter, i);
+
+	/* DMA Coalescing is not supported in IOV mode. */
+	adapter->flags &= ~IGB_FLAG_DMAC;
+	goto out;
+err_out:
+	kfree(adapter->vf_data);
+	adapter->vf_data = NULL;
+	adapter->vfs_allocated_count = 0;
+out:
+	return;
 #endif /* CONFIG_PCI_IOV */
 }
 
-
 /**
  * igb_init_hw_timer - Initialize hardware timer used with IEEE 1588 timestamp
  * @adapter: board private structure to initialize
@@ -4917,6 +4931,109 @@ static int igb_notify_dca(struct notifier_block *nb, unsigned long event,
 }
 #endif /* CONFIG_IGB_DCA */
 
+#ifdef CONFIG_PCI_IOV
+static int igb_vf_configure(struct igb_adapter *adapter, int vf)
+{
+	unsigned char mac_addr[ETH_ALEN];
+	struct pci_dev *pdev = adapter->pdev;
+	struct e1000_hw *hw = &adapter->hw;
+	struct pci_dev *pvfdev;
+	unsigned int device_id;
+	u16 thisvf_devfn;
+
+	random_ether_addr(mac_addr);
+	igb_set_vf_mac(adapter, vf, mac_addr);
+
+	switch (adapter->hw.mac.type) {
+	case e1000_82576:
+		device_id = IGB_82576_VF_DEV_ID;
+		/* VF Stride for 82576 is 2 */
+		thisvf_devfn = (pdev->devfn + 0x80 + (vf << 1)) |
+			(pdev->devfn & 1);
+		break;
+	case e1000_i350:
+		device_id = IGB_I350_VF_DEV_ID;
+		/* VF Stride for I350 is 4 */
+		thisvf_devfn = (pdev->devfn + 0x80 + (vf << 2)) |
+				(pdev->devfn & 3);
+		break;
+	default:
+		device_id = 0;
+		thisvf_devfn = 0;
+		break;
+	}
+
+	pvfdev = pci_get_device(hw->vendor_id, device_id, NULL);
+	while (pvfdev) {
+		if (pvfdev->devfn == thisvf_devfn)
+			break;
+		pvfdev = pci_get_device(hw->vendor_id,
+					device_id, pvfdev);
+	}
+
+	if (pvfdev)
+		adapter->vf_data[vf].vfdev = pvfdev;
+	else
+		dev_err(&pdev->dev,
+			"Couldn't find pci dev ptr for VF %4.4x\n",
+			thisvf_devfn);
+	return pvfdev != NULL;
+}
+
+static int igb_find_enabled_vfs(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	struct pci_dev *pdev = adapter->pdev;
+	struct pci_dev *pvfdev;
+	u16 vf_devfn = 0;
+	u16 vf_stride;
+	unsigned int device_id;
+	int vfs_found = 0;
+
+	switch (adapter->hw.mac.type) {
+	case e1000_82576:
+		device_id = IGB_82576_VF_DEV_ID;
+		/* VF Stride for 82576 is 2 */
+		vf_stride = 2;
+		break;
+	case e1000_i350:
+		device_id = IGB_I350_VF_DEV_ID;
+		/* VF Stride for I350 is 4 */
+		vf_stride = 4;
+		break;
+	default:
+		device_id = 0;
+		vf_stride = 0;
+		break;
+	}
+
+	vf_devfn = pdev->devfn + 0x80;
+	pvfdev = pci_get_device(hw->vendor_id, device_id, NULL);
+	while (pvfdev) {
+		if (pvfdev->devfn == vf_devfn)
+			vfs_found++;
+		vf_devfn += vf_stride;
+		pvfdev = pci_get_device(hw->vendor_id,
+					device_id, pvfdev);
+	}
+
+	return vfs_found;
+}
+
+static int igb_check_vf_assignment(struct igb_adapter *adapter)
+{
+	int i;
+	for (i = 0; i < adapter->vfs_allocated_count; i++) {
+		if (adapter->vf_data[i].vfdev) {
+			if (adapter->vf_data[i].vfdev->dev_flags &
+			    PCI_DEV_FLAGS_ASSIGNED)
+				return true;
+		}
+	}
+	return false;
+}
+
+#endif
 static void igb_ping_all_vfs(struct igb_adapter *adapter)
 {
 	struct e1000_hw *hw = &adapter->hw;

drivers/net/ethernet/intel/igbvf/netdev.c

@@ -102,8 +102,8 @@ static void igbvf_receive_skb(struct igbvf_adapter *adapter,
 {
 	if (status & E1000_RXD_STAT_VP) {
 		u16 vid = le16_to_cpu(vlan) & E1000_RXD_SPC_VLAN_MASK;
-
-		__vlan_hwaccel_put_tag(skb, vid);
+		if (test_bit(vid, adapter->active_vlans))
+			__vlan_hwaccel_put_tag(skb, vid);
 	}
 	netif_receive_skb(skb);
 }

drivers/net/ethernet/intel/ixgbe/ixgbe.h

@@ -497,7 +497,8 @@ struct ixgbe_adapter {
 	u64 rsc_total_count;
 	u64 rsc_total_flush;
 	u32 wol;
-	u16 eeprom_version;
+	u16 eeprom_verh;
+	u16 eeprom_verl;
 	u16 eeprom_cap;
 
 	int node;

drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c

@@ -1305,6 +1305,8 @@ static struct ixgbe_mac_operations mac_ops_82598 = {
 static struct ixgbe_eeprom_operations eeprom_ops_82598 = {
 	.init_params		= &ixgbe_init_eeprom_params_generic,
 	.read			= &ixgbe_read_eerd_generic,
+	.write			= &ixgbe_write_eeprom_generic,
+	.write_buffer		= &ixgbe_write_eeprom_buffer_bit_bang_generic,
 	.read_buffer		= &ixgbe_read_eerd_buffer_generic,
 	.calc_checksum          = &ixgbe_calc_eeprom_checksum_generic,
 	.validate_checksum	= &ixgbe_validate_eeprom_checksum_generic,

drivers/net/ethernet/intel/ixgbe/ixgbe_common.c

@@ -3341,7 +3341,7 @@ static u8 ixgbe_calculate_checksum(u8 *buffer, u32 length)
  *  Communicates with the manageability block.  On success return 0
  *  else return IXGBE_ERR_HOST_INTERFACE_COMMAND.
  **/
-static s32 ixgbe_host_interface_command(struct ixgbe_hw *hw, u8 *buffer,
+static s32 ixgbe_host_interface_command(struct ixgbe_hw *hw, u32 *buffer,
 					u32 length)
 {
 	u32 hicr, i;
@@ -3374,7 +3374,7 @@ static s32 ixgbe_host_interface_command(struct ixgbe_hw *hw, u8 *buffer,
 	 */
 	for (i = 0; i < dword_len; i++)
 		IXGBE_WRITE_REG_ARRAY(hw, IXGBE_FLEX_MNG,
-				      i, *((u32 *)buffer + i));
+				      i, cpu_to_le32(buffer[i]));
 
 	/* Setting this bit tells the ARC that a new command is pending. */
 	IXGBE_WRITE_REG(hw, IXGBE_HICR, hicr | IXGBE_HICR_C);
@@ -3398,9 +3398,10 @@ static s32 ixgbe_host_interface_command(struct ixgbe_hw *hw, u8 *buffer,
 	dword_len = hdr_size >> 2;
 
 	/* first pull in the header so we know the buffer length */
-	for (i = 0; i < dword_len; i++)
-		*((u32 *)buffer + i) =
-			IXGBE_READ_REG_ARRAY(hw, IXGBE_FLEX_MNG, i);
+	for (i = 0; i < dword_len; i++) {
+		buffer[i] = IXGBE_READ_REG_ARRAY(hw, IXGBE_FLEX_MNG, i);
+		le32_to_cpus(&buffer[i]);
+	}
 
 	/* If there is any thing in data position pull it in */
 	buf_len = ((struct ixgbe_hic_hdr *)buffer)->buf_len;
@@ -3418,8 +3419,7 @@ static s32 ixgbe_host_interface_command(struct ixgbe_hw *hw, u8 *buffer,
 
 	/* Pull in the rest of the buffer (i is where we left off)*/
 	for (; i < buf_len; i++)
-		*((u32 *)buffer + i) =
-			IXGBE_READ_REG_ARRAY(hw, IXGBE_FLEX_MNG, i);
+		buffer[i] = IXGBE_READ_REG_ARRAY(hw, IXGBE_FLEX_MNG, i);
 
 out:
 	return ret_val;
@@ -3465,7 +3465,7 @@ s32 ixgbe_set_fw_drv_ver_generic(struct ixgbe_hw *hw, u8 maj, u8 min,
 	fw_cmd.pad2 = 0;
 
 	for (i = 0; i <= FW_CEM_MAX_RETRIES; i++) {
-		ret_val = ixgbe_host_interface_command(hw, (u8 *)&fw_cmd,
+		ret_val = ixgbe_host_interface_command(hw, (u32 *)&fw_cmd,
 						       sizeof(fw_cmd));
 		if (ret_val != 0)
 			continue;

drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c

@@ -814,26 +814,97 @@ static int ixgbe_get_eeprom(struct net_device *netdev,
 	return ret_val;
 }
 
+static int ixgbe_set_eeprom(struct net_device *netdev,
+			    struct ethtool_eeprom *eeprom, u8 *bytes)
+{
+	struct ixgbe_adapter *adapter = netdev_priv(netdev);
+	struct ixgbe_hw *hw = &adapter->hw;
+	u16 *eeprom_buff;
+	void *ptr;
+	int max_len, first_word, last_word, ret_val = 0;
+	u16 i;
+
+	if (eeprom->len == 0)
+		return -EINVAL;
+
+	if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
+		return -EINVAL;
+
+	max_len = hw->eeprom.word_size * 2;
+
+	first_word = eeprom->offset >> 1;
+	last_word = (eeprom->offset + eeprom->len - 1) >> 1;
+	eeprom_buff = kmalloc(max_len, GFP_KERNEL);
+	if (!eeprom_buff)
+		return -ENOMEM;
+
+	ptr = eeprom_buff;
+
+	if (eeprom->offset & 1) {
+		/*
+		 * need read/modify/write of first changed EEPROM word
+		 * only the second byte of the word is being modified
+		 */
+		ret_val = hw->eeprom.ops.read(hw, first_word, &eeprom_buff[0]);
+		if (ret_val)
+			goto err;
+
+		ptr++;
+	}
+	if ((eeprom->offset + eeprom->len) & 1) {
+		/*
+		 * need read/modify/write of last changed EEPROM word
+		 * only the first byte of the word is being modified
+		 */
+		ret_val = hw->eeprom.ops.read(hw, last_word,
+					  &eeprom_buff[last_word - first_word]);
+		if (ret_val)
+			goto err;
+	}
+
+	/* Device's eeprom is always little-endian, word addressable */
+	for (i = 0; i < last_word - first_word + 1; i++)
+		le16_to_cpus(&eeprom_buff[i]);
+
+	memcpy(ptr, bytes, eeprom->len);
+
+	for (i = 0; i < last_word - first_word + 1; i++)
+		cpu_to_le16s(&eeprom_buff[i]);
+
+	ret_val = hw->eeprom.ops.write_buffer(hw, first_word,
+					      last_word - first_word + 1,
+					      eeprom_buff);
+
+	/* Update the checksum */
+	if (ret_val == 0)
+		hw->eeprom.ops.update_checksum(hw);
+
+err:
+	kfree(eeprom_buff);
+	return ret_val;
+}
+
 static void ixgbe_get_drvinfo(struct net_device *netdev,
                               struct ethtool_drvinfo *drvinfo)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);
 	char firmware_version[32];
+	u32 nvm_track_id;
 
 	strncpy(drvinfo->driver, ixgbe_driver_name,
 	        sizeof(drvinfo->driver) - 1);
 	strncpy(drvinfo->version, ixgbe_driver_version,
 	        sizeof(drvinfo->version) - 1);
 
-	snprintf(firmware_version, sizeof(firmware_version), "%d.%d-%d",
-	         (adapter->eeprom_version & 0xF000) >> 12,
-	         (adapter->eeprom_version & 0x0FF0) >> 4,
-	         adapter->eeprom_version & 0x000F);
+	nvm_track_id = (adapter->eeprom_verh << 16) |
+			adapter->eeprom_verl;
+	snprintf(firmware_version, sizeof(firmware_version), "0x%08x",
+		 nvm_track_id);
 
 	strncpy(drvinfo->fw_version, firmware_version,
-	        sizeof(drvinfo->fw_version));
+		sizeof(drvinfo->fw_version) - 1);
 	strncpy(drvinfo->bus_info, pci_name(adapter->pdev),
-	        sizeof(drvinfo->bus_info));
+		sizeof(drvinfo->bus_info) - 1);
 	drvinfo->n_stats = IXGBE_STATS_LEN;
 	drvinfo->testinfo_len = IXGBE_TEST_LEN;
 	drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
@@ -2524,6 +2595,7 @@ static const struct ethtool_ops ixgbe_ethtool_ops = {
 	.get_link               = ethtool_op_get_link,
 	.get_eeprom_len         = ixgbe_get_eeprom_len,
 	.get_eeprom             = ixgbe_get_eeprom,
+	.set_eeprom             = ixgbe_set_eeprom,
 	.get_ringparam          = ixgbe_get_ringparam,
 	.set_ringparam          = ixgbe_set_ringparam,
 	.get_pauseparam         = ixgbe_get_pauseparam,

drivers/net/ethernet/intel/ixgbe/ixgbe_main.c

@@ -7640,6 +7640,10 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
 	}
 	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
 
+	/* save off EEPROM version number */
+	hw->eeprom.ops.read(hw, 0x2e, &adapter->eeprom_verh);
+	hw->eeprom.ops.read(hw, 0x2d, &adapter->eeprom_verl);
+
 	/* pick up the PCI bus settings for reporting later */
 	hw->mac.ops.get_bus_info(hw);
 
@@ -7672,9 +7676,6 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
 			   "is required.\n");
 	}
 
-	/* save off EEPROM version number */
-	hw->eeprom.ops.read(hw, 0x29, &adapter->eeprom_version);
-
 	/* reset the hardware with the new settings */
 	err = hw->mac.ops.start_hw(hw);